About the company

We’re a product-first scale-up on a mission to transform the e-commerce experience with AI.

Kleep AI is an AI-powered SaaS helping fashion brands make their e-commerce more personalized, more efficient, and more profitable. Our solutions leverage advanced AI and LLMs to improve product discovery, performance, and user experience, while supporting a more sustainable e-commerce model.

Founded in 2021 by two data scientists from Mines Paris, Kleep AI has raised €2.5M and is now trusted by 200 international fashion brands, including Lacoste, Kenzo, Givenchy, Rabanne, Intersport, Victoria Beckham, Soeur, and more.

Kleep is now at €2M ARR, profitable, growing x3 year-over-year, with an office in Paris and New York.

About the role

You will join the Tech team as a Full-stack Software Engineer Intern / Apprentice.

You will work closely with the CTO and the product team on the development of Kleep AI’s core products, from design to deployment. Your work will directly contribute to building robust, scalable, and high-performance solutions used by leading international brands.

This role offers a unique opportunity to combine technical depth, product impact, and real-world scalability challenges in a fast-growing AI scale-up.

What you will do

Back-end & Infrastructure

• Work with large volumes of data with a strong focus on performance, scalability, and reliability.
• Maintain and improve Kleep AI’s APIs across multiple products, ensuring high availability.
• Design and implement processes to automate and improve internal services (data processing, backups, monitoring).
• Contribute to infrastructure and cloud-based systems (AWS, GCP).

Front-end Development

• Design and build complex front-end features with high performance and quality standards.
• Transform designs into production-ready components.
• Collaborate closely with product and design teams to deliver smooth user experiences.

Collaboration & Product Impact

• Work in close collaboration with the CTO and engineering team.
• Contribute ideas to improve architecture, performance, and developer experience.
• Take part in technical decisions that shape the future of Kleep AI’s products.